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Copper Exhaust Header Gasket for Honda GX390 Header Flange for Honda GX670 Engines 2 into 1 Collector for Honda GX670 and Predator 670cc
Bullfrog Performance Products copper exhaust header gasket for Honda GX240, GX270, GX340, GX390, GX610, GX620 and GX690.  Will also fit Predator 420cc engines and many other big block clone engines. Bullfrog Performance Products header flange fits Honda GX670 engines.  Great item for the DIY person who wants that custom header design.  Order a quantity of two for the GX670 engine. Bullfrog Performance Products V-Twin 2 into 1 collector kit will work with our Honda GX670 / Predator 670cc and Honda GX630/GX690 V-Twin header kits